Table 2.1: Summary data for CO monitoring in Auckland
Return to the point in the document where this table is located.
| 1992 |
1993 |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
|
|---|---|---|---|---|---|---|---|---|---|---|
|
One-hour average CO concentrations Queen Street (Tisdalls) |
||||||||||
|
% valid data |
100% |
81% |
100% |
96% |
97% |
100% |
69% |
21% |
42% |
|
|
Hours > 30 mgm-3 |
0 |
0 |
0 |
5 |
0 |
0 |
0 |
0 |
0 |
|
|
Days > guideline |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
|
|
99.9 %ile mgm-3 |
15 |
17 |
16 |
16 |
16 |
11 |
11 |
15 |
15 |
|
|
Maximum mgm-3 |
22 |
19 |
22 |
89 |
24 |
15 |
15 |
17 |
16 |
|
|
Eight-hour average CO concentrations Queen Street (Tisdalls) |
||||||||||
|
% valid data |
100% |
81% |
100% |
95% |
97% |
100% |
69% |
21% |
42% |
|
|
Hours > 10 mgm-3 |
56 |
126 |
107 |
31 |
37 |
0 |
0 |
0 |
0 |
|
|
Days > guideline |
8 |
10 |
1 |
2 |
4 |
0 |
0 |
0 |
0 |
|
|
99.9 %ile mgm-3 |
12 |
13 |
10 |
23 |
12 |
8 |
7 |
8 |
9 |
|
|
Maximum mgm-3 |
14 |
14 |
10 |
30 |
16 |
9 |
9 |
8 |
9 |
|
|
One-hour average CO concentrations Queen Street (carpark) |
||||||||||
|
% valid data |
24% |
96% |
87% |
90% |
||||||
|
Hours > 30 mgm-3 |
0 |
2 |
0 |
0 |
||||||
|
Days > guideline |
0 |
1 |
0 |
0 |
||||||
|
99.9 %ile mgm-3 |
18 |
22 |
18 |
15 |
||||||
|
Maximum mgm-3 |
18 |
38 |
21 |
19 |
||||||
|
Eight-hour average CO concentrations Queen Street (carpark) |
||||||||||
|
% valid data |
24% |
96% |
87% |
89% |
||||||
|
Hours > 10 mgm-3 |
30 |
54 |
11 |
11 |
||||||
|
Days > guideline |
12 |
10 |
3 |
3 |
||||||
|
99.9 %ile mgm-3 |
11 |
17 |
10 |
11 |
||||||
|
Maximum mgm-3 |
11 |
25 |
11 |
12 |
||||||
|
One-hour average CO concentrations (Takapuna) |
||||||||||
|
% valid data |
43% |
59% |
91% |
85% |
71% |
32% |
||||
|
Hours > 30 mgm-3 |
0 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
12 |
11 |
11 |
10 |
11 |
4 |
||||
|
Maximum mgm-3 |
16 |
17 |
17 |
14 |
14 |
6 |
||||
|
Eight-hour average CO concentrations (Takapuna) |
||||||||||
|
% valid data |
43% |
59% |
91% |
85% |
71% |
32% |
||||
|
Hours > 10 mgm-3 |
0 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
6 |
7 |
8 |
6 |
8 |
3 |
||||
|
Maximum mgm-3 |
7 |
9 |
9 |
7 |
9 |
4 |
||||
|
One-hour average CO concentrations (Khyber Pass) |
||||||||||
|
% valid data |
13% |
91% |
89% |
97% |
76% |
94% |
||||
|
Hours > 30 mgm-3 |
0 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
13 |
19 |
17 |
16 |
13 |
13 |
||||
|
Maximum mgm-3 |
14 |
22 |
19 |
18 |
18 |
15 |
||||
|
Eight-hour average CO concentrations (Khyber Pass) |
||||||||||
|
% valid data |
13% |
91% |
89% |
97% |
75% |
94% |
||||
|
Hours > 10 mgm-3 |
15 |
188 |
110 |
57 |
0 |
0 |
||||
|
Days > guideline |
8 |
51 |
31 |
21 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
10 |
13 |
12 |
11 |
9 |
8 |
||||
|
Maximum mgm-3 |
11 |
14 |
14 |
11 |
10 |
9 |
||||
|
One-hour average CO concentrations (Hobson) |
||||||||||
|
% valid data |
31% |
100% |
77% |
99% |
25% |
|||||
|
Hours > 30 mgm-3 |
0 |
0 |
0 |
0 |
0 |
|||||
|
99.9 %ile mgm-3 |
7 |
13 |
13 |
13 |
8 |
|||||
|
Maximum mgm-3 |
9 |
19 |
19 |
19 |
8 |
|||||
|
Eight-hour average CO concentrations (Hobson) |
||||||||||
|
% valid data |
31% |
100% |
77% |
100% |
25% |
|||||
|
Hours > 10 mgm-3 |
0 |
0 |
0 |
3 |
0 |
|||||
|
Days > guideline |
0 |
0 |
0 |
2 |
0 |
|||||
|
99.9 %ile mgm-3 |
5 |
8 |
9 |
9 |
5 |
|||||
|
Maximum mgm-3 |
5 |
9 |
10 |
11 |
5 |
|||||
|
One-hour average CO concentrations (Dominion Road, 1995 and 1996, and Henderson) |
||||||||||
|
% valid data |
96% |
11% |
55% |
99% |
100% |
99% |
||||
|
Hours > 30 mgm-3 |
11 |
0 |
0 |
0 |
0 |
0 |
||||
|
Days > guideline |
1 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
15 |
5 |
7 |
7 |
5 |
5 |
||||
|
Maximum mgm-3 |
73 |
6 |
8 |
11 |
8 |
20 |
||||
|
Eight-hour average CO concentrations (Dominion Road, 1995 and 1996, and Henderson) |
||||||||||
|
% valid data |
95% |
11% |
55% |
99% |
100% |
99% |
||||
|
Hours > 10 mgm-3 |
3 |
0 |
0 |
0 |
0 |
0 |
||||
|
Days > guideline |
1 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
7 |
3 |
4 |
4 |
3 |
3 |
||||
|
Maximum mgm-3 |
14 |
3 |
4 |
4 |
3 |
5 |
||||
|
One-hour average CO concentrations (Manurewa, 1996 and 1997, and Pakuranga) |
||||||||||
|
% valid data |
78% |
20% |
44% |
86% |
69% |
99% |
||||
|
Hours > 30 mgm-3 |
0 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
11 |
6 |
10 |
11 |
5 |
11 |
||||
|
Maximum mgm-3 |
14 |
8 |
13 |
12 |
6 |
22 |
||||
|
Eight-hour average CO concentrations (Manurewa, 1996 and 1997, and Pakuranga) |
||||||||||
|
% valid data |
78% |
20% |
44% |
86% |
69% |
99% |
||||
|
Hours > 10 mgm-3 |
0 |
0 |
0 |
0 |
0 |
0 |
||||
|
99.9 %ile mgm-3 |
6 |
3 |
8 |
8 |
4 |
7 |
||||
|
Maximum mgm-3 |
8 |
3 |
8 |
10 |
4 |
9 |
||||
| 2000 |
2001 |
2002 |
||||||||
|
One-hour average CO concentrations (Manukau) |
||||||||||
|
% valid data |
29% |
92% |
53% |
|||||||
|
Hours > 30 mgm-3 |
0 |
0 |
0 |
|||||||
|
99.9 %ile mgm-3 |
7 |
10 |
9 |
|||||||
|
Maximum mgm-3 |
8 |
15 |
13 |
|||||||
|
Eight-hour average CO concentrations (Manukau) |
||||||||||
|
% valid data |
29% |
92% |
53% |
|||||||
|
Hours > 10 mgm-3 |
0 |
0 |
0 |
|||||||
|
99.9 %ile mgm-3 |
3 |
6 |
5 |
|||||||
|
Maximum mgm-3 |
4 |
7 |
5 |
|||||||
